Home / 9,119.85-13,674.30-4,430.62

Finding the Fourth Proportional to 9,119.85, 13,674.30 and 4,430.62

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Solution

The fourth proportional to 9,119.85, 13,674.30 and 4,430.62 is: 6,643.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,119.85 : 13,674.30 = 4,430.62 : x
  2. Step 2: Convert to fraction form
    9,119.85/13,674.30 = 4,430.62/x
  3. Step 3: Cross multiply
    9,119.85x = 13,674.30 × 4,430.62
  4. Step 4: Simplify right side
    9,119.85x = 60,585,627.07
  5. Step 5: Solve for x
    x = 60,585,627.07/9,119.85
  6. Step 6: Final answer
    x = 6,643.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.